On 14/02/2022 23:42, Danilo Krummrich wrote: > On Mon, Feb 14, 2022 at 10:50:21PM +0100, Krzysztof Kozlowski wrote: >> On 12/02/2022 00:31, Danilo Krummrich wrote: >>> The PS/2 bus defines the data and clock line be open drain, therefore >>> document this in the dt-binding and enforce the particular flag in the >>> driver. >>> >>> Without enforcing to flag at least the clock gpio as open drain we run >>> into the following warning: >>> >>> WARNING: CPU: 1 PID: 40 at drivers/gpio/gpiolib.c:3175 gpiochip_enable_irq+0x54/0x90 >>> >>> gpiochip_enable_irq() warns on a GPIO being configured as output and >>> using IRQ without being flagged as open drain. >>> >>> Signed-off-by: Danilo Krummrich <danilokrummrich@xxxxxxxxxxxxx> >>> --- >>> .../devicetree/bindings/serio/ps2-gpio.yaml | 14 ++++++++++---- >>> drivers/input/serio/ps2-gpio.c | 9 +++++++-- >>> 2 files changed, 17 insertions(+), 6 deletions(-) >>> >> >> Bindings as separate patch, please. > Are you fine with adding this additional documentation directly to the patch > converting the binding to a json-schema or do you prefer it to be a separate > patch? I propose a separate patch, so you will have two bindings patches. Best regards, Krzysztof